STIHL MS 241 C-M manual File holder, Use a file holder, Proper sharpening, Depth gauge setting

File holder

689BA025 KN

NUse a file holder

Always use a file holder (special accessory, see table "Sharpening tools") when sharpening saw chains by hand. File holders have markings for the sharpening angle.

Use only special saw chain files! Other files are unsuitable in terms of shape and type of cutting.

To check the angles

001BA203 KN

STIHL filing gauge (special accessory, see table "Sharpening tools") – a universal tool for checking sharpening and side plate angles, depth gauge setting, and tooth length, as well as cleaning grooves and oil inlet holes.

Proper sharpening

NSelect sharpening tools in accordance with chain pitch

NClamp guide bar if necessary

NBlock saw chain – push the hand guard forward

NTo advance the saw chain, pull the hand guard toward the handlebar: The chain brake is disengaged.

With the Quickstop Plus chain brake system, additionally press the throttle trigger lockout

NSharpen frequently, removing little material – two or three strokes of the file are usually sufficient for simple resharpening

90° KN 689BA018

689BA043 KN

NGuide the file: horizontally (at a right angle to the side surface of the guide bar) in accordance with the specified angle – according to the

English

markings on the file holder – rest the file holder on the tooth head and the depth gauge

NFile only from the inside outward

NThe file only sharpens on the forward stroke – lift the file on the backstroke

NDo not file tie straps and drive links

NRotate the file a little periodically in order to avoid uneven wear

NTo remove file burr, use a piece of hardwood

NCheck angle with file gauge All cutters must be equally long.

With varying cutter lengths, the cutter heights also vary and cause rough running of the saw chain and chain breakage.

NAll cutters must be filed down equal to the length of the shortest cutter – ideally, one should have this done by a servicing dealer using an electric sharpener

Depth gauge setting

a

689BA023 KN

The depth gauge determines the depth to which the cutter penetrates the wood and thus the chip thickness.

MS 241 C-M 45